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Official data from INPI

PNEUMÁTICO COM REVESTIMENTO OBTURADOR DE ESTOURO

Em AnáliseInvention Patent

Application data

Number

PI7904554

Type

Invention Patent

Filing

07/17/1979

Publication

-

Progress at the INPI

  1. Filing07/17/79
  2. Publication
  3. Examination04/27/82
  4. Allowance11/26/85
  5. Grant06/24/86
  6. Expired04/18/95

The letters patent expired on 04/18/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Michelin & Cie.

FR

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Inventors

C. J. (pessoa física)

C. A. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

10/25/1988

RPI 940

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

03/11/1986

RPI 803

100

11/26/1985

RPI 788

Petição de recurso

#12.2

03/20/1984

RPI 700

Indeferimento

#9.2

12/06/1983

RPI 685

Solicitação de exame técnico

#4.1

04/27/1982

RPI 601

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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